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| 1 /* | |
| 2 * Copyright (C) 2006 The Android Open Source Project | |
| 3 * | |
| 4 * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 * you may not use this file except in compliance with the License. | |
| 6 * You may obtain a copy of the License at | |
| 7 * | |
| 8 * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 * | |
| 10 * Unless required by applicable law or agreed to in writing, software | |
| 11 * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 * See the License for the specific language governing permissions and | |
| 14 * limitations under the License. | |
| 15 */ | |
| 16 | |
| 17 #ifndef __CUTILS_PROPERTIES_H | |
| 18 #define __CUTILS_PROPERTIES_H | |
| 19 | |
| 20 #include <sys/cdefs.h> | |
| 21 #include <stddef.h> | |
| 22 #ifdef ANDROID | |
| 23 #include <sys/system_properties.h> | |
| 24 #else | |
| 25 #ifndef PROP_NAME_MAX | |
| 26 #define PROP_NAME_MAX 32 | |
| 27 #endif | |
| 28 #ifndef PROP_VALUE_MAX | |
| 29 #define PROP_VALUE_MAX 92 | |
| 30 #endif | |
| 31 #endif | |
| 32 | |
| 33 #ifdef __cplusplus | |
| 34 extern "C" { | |
| 35 #endif | |
| 36 | |
| 37 /* System properties are *small* name value pairs managed by the | |
| 38 ** property service. If your data doesn't fit in the provided | |
| 39 ** space it is not appropriate for a system property. | |
| 40 ** | |
| 41 ** WARNING: system/bionic/include/sys/system_properties.h also defines | |
| 42 ** these, but with different names. (TODO: fix that) | |
| 43 */ | |
| 44 #define PROPERTY_KEY_MAX PROP_NAME_MAX | |
| 45 #define PROPERTY_VALUE_MAX PROP_VALUE_MAX | |
| 46 | |
| 47 /* property_get: returns the length of the value which will never be | |
| 48 ** greater than PROPERTY_VALUE_MAX - 1 and will always be zero terminated. | |
| 49 ** (the length does not include the terminating zero). | |
| 50 ** | |
| 51 ** If the property read fails or returns an empty value, the default | |
| 52 ** value is used (if nonnull). | |
| 53 */ | |
| 54 int property_get(const char *key, char *value, const char *default_value); | |
| 55 | |
| 56 /* property_set: returns 0 on success, < 0 on failure | |
| 57 */ | |
| 58 int property_set(const char *key, const char *value); | |
| 59 | |
| 60 int property_list(void (*propfn)(const char *key, const char *value, void *cooki
e), void *cookie); | |
| 61 | |
| 62 #if defined(__BIONIC_FORTIFY) | |
| 63 | |
| 64 extern int __property_get_real(const char *, char *, const char *) | |
| 65 __asm__(__USER_LABEL_PREFIX__ "property_get"); | |
| 66 __errordecl(__property_get_too_small_error, "property_get() called with too smal
l of a buffer"); | |
| 67 | |
| 68 __BIONIC_FORTIFY_INLINE | |
| 69 int property_get(const char *key, char *value, const char *default_value) { | |
| 70 size_t bos = __bos(value); | |
| 71 if (bos < PROPERTY_VALUE_MAX) { | |
| 72 __property_get_too_small_error(); | |
| 73 } | |
| 74 return __property_get_real(key, value, default_value); | |
| 75 } | |
| 76 | |
| 77 #endif | |
| 78 | |
| 79 #ifdef HAVE_SYSTEM_PROPERTY_SERVER | |
| 80 /* | |
| 81 * We have an external property server instead of built-in libc support. | |
| 82 * Used by the simulator. | |
| 83 */ | |
| 84 #define SYSTEM_PROPERTY_PIPE_NAME "/tmp/android-sysprop" | |
| 85 | |
| 86 enum { | |
| 87 kSystemPropertyUnknown = 0, | |
| 88 kSystemPropertyGet, | |
| 89 kSystemPropertySet, | |
| 90 kSystemPropertyList | |
| 91 }; | |
| 92 #endif /*HAVE_SYSTEM_PROPERTY_SERVER*/ | |
| 93 | |
| 94 | |
| 95 #ifdef __cplusplus | |
| 96 } | |
| 97 #endif | |
| 98 | |
| 99 #endif | |
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Chromium Code Reviews
Issue 2643643008:
Delete third_party/hwcplus/ (Closed)
